package Demo;

import java.io.IOException;

public final class Person extends BaseClass implements java.io.Serializable{
    private String name;
    static final int age = 30;
    protected String address;
    public String message;

    public String getName() {return name;}
    public void setName(String name) {this.name = name; }
    static final int getAge() {return age;}
    protected String getAddress() {return address;}
    private void silentMethod() throws IOException,NullPointerException{
        System.out.println("这是悄悄话");
    }
    public Person(){}
    private Person(String name) {this.name = name;}
    protected Person(String name, String address, String message){
        this.name = name;
        this.address = address;
        this.message = message;
    }
    @Override
    public String toString(){
        return "{name:"+name+",age:"+age+",address:"+address+",message:"+message+"}";
    }
}
